{"id":"CVE-2023-6240","details":"A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key.","modified":"2026-03-15T22:04:31.551546Z","published":"2024-02-04T14:15:47.787Z","related":["ALSA-2024:2758","ALSA-2024:3618","ALSA-2024:3627","CGA-7pmc-wg23-fh53"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:2758"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:3421"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:3627"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-6240"},{"type":"ADVISORY","url":"https://people.redhat.com/~hkario/marvin/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:1881"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:1882"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:3414"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:3618"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240628-0002/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2250843"},{"type":"ARTICLE","url":"https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6240.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N"}]}